Utility knife



FIG. 1 is a front elevation view of the utility knife showing my new design;

FIG. 2 is a side elevation view of the utility knife of FIG. 1;

FIG. 3 is a top plan view of the utility knife of FIG. 1;

FIG. 4 is a front perspective view of the utility knife of FIG. 1;

FIG. 5 is a rear elevation view of the utility knife of FIG. 1;

FIG. 6 is a bottom plan view of the utility knife of FIG. 1

FIG. 7 is a front elevation view of the top portion of utility knife of FIG. 1;

FIG. 8 is a side elevation view of the top portion of utility knife of FIG. 1;

FIG. 9 is a top plan view of the top portion of utility knife of FIG. 1;

FIG. 10 is a front perspective view of the top portion of utility knife of FIG. 1; and,

FIG. 11 is a bottom plan view of the top portion of utility knife of FIG. 1.

The broken lines illustrate portions of the utility knife that form no part of the claimed design. 

CLAIM The ornamental design for a utility knife, as shown and described. 